Re: Farmall Generator wiring

Posted by John T on April 28, 2013 at 05:20:47 from (216.249.82.117):

In Reply to: Farmall Generator wiring posted by Nathan Rigg on April 27, 2013 at 21:43:50:

A big "Ditto" to Jims instructions. Now to your question " Does this wire just need to go to the a wire wound resistor to ground?"

If theres no (as normal) F terminal as on an old original Cutout Relay,,,,,,, And you dont have a full fledged 3 or 4 terminal Voltage Regulator with the F terminal,,,,,,,,And theres no LHDB light switch to wire to the gennys FLD post,,,,,YES a wire from the Gennys FLD post attached to frame ground via say around a 3 ohm series power resistor will allow the genny to charge. The less resistanee the higher the charge, but if its too small (like a dead ground) the battery could theoretically overcharge if you ran for hours not using any lights and had a good strong genny. If you go buy power resistors Id try say a 2 and 3 and 4 ohm and use the one (or combinations) that made her charge maybe 5 to 10 amps at fast RPM, although 10 amps for hours at a time with no lights may be too much???

YOU SAY

I guess I have a "cut out style"
generator as it has a box mounted on the side of
the generator.

I SAY

If it has ONLY 2 terminals, BAT and GEN/ARM yes its a Cutout Relay

If it has 3 terminals BAT GEN/ARM and F and only has one internal coil and a wirewound resistior in the F circuit to ground,,Its an original Cutout Relay (wire gennys FLD to F)

If it has 3 terminals (BAT GEN FLD) and 2 internal coils its a Voltage Regulator (wire FLD to F)

There,,,,with this and Jims post you should be able to figure her out

John T

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